Coding questions include: Flip a binary tree, level order traversal, and one other 2-D DP question Other questions include: how raft works, how TCP works, TCP connection establishment/teardown, how TCP ensures reliable data transmission, difference between processes and threads, tell me something about epoll, have you heard of io_uring, DB isolation levels. If you have read relevant books such as CSAPP then you should be able to answer all of them
Database: What considerations do we need to make for a concurrent environment
coding: Binary tree preorder traversal
Basic Node JS quastions were asked.
what's your overall professional experience
Questions about Codility test Your experience in different languages and frameworks
How did you get into programming
Asked to design a question rotation system
Could you describe a complex backend project you've worked on, highlighting the challenges you faced and how you overcame them?
Code challenge, something adhoc to the time they gave me to solve. Cannot explain on detail.
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